Inverse stagger or planar type thin-film transistor device and l

Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Electrical excitation of liquid crystal

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Details

349151, 349 46, 257 59, G02F 1136, G02F 11345, H01L 2904

Patent

active

059824620

ABSTRACT:
A thin film transistor device with its leakage current being controlled is provided. With such a thin film transistor device incorporated, a liquid crystal display apparatus presents a high-contrast image at a reduced power consumption. The thin film transistor is formed on an insulating substrate. The gate electrode of the transistor is electrically floating gate electrode, which is capacitance coupled to one or more input electrodes. The liquid crystal display apparatus incorporates the thin film transistor in its switching element and/or driving circuit.

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patent: 5661421 (1997-08-01), Ohmi et al.

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